CN202463266U - Chalk sleeve - Google Patents

Chalk sleeve Download PDF

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Publication number
CN202463266U
CN202463266U CN2012200092048U CN201220009204U CN202463266U CN 202463266 U CN202463266 U CN 202463266U CN 2012200092048 U CN2012200092048 U CN 2012200092048U CN 201220009204 U CN201220009204 U CN 201220009204U CN 202463266 U CN202463266 U CN 202463266U
Authority
CN
China
Prior art keywords
sleeve
chalk
utility
model
chalk sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012200092048U
Other languages
Chinese (zh)
Inventor
吴瑞芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2012200092048U priority Critical patent/CN202463266U/en
Application granted granted Critical
Publication of CN202463266U publication Critical patent/CN202463266U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model discloses a chalk sleeve. The chalk sleeve consists of internal threads and a sleeve, and is characterized in that the internal threads are reserved on the sleeve, and when the chalk sleeve is used, external threads on a chalk are screwed into the internal threads on the sleeve. The chalk sleeve has the advantages of simple design, low cost and high practicability.

Description

A kind of chalk sleeve
Technical field
The utility model relates to a kind of chalk sleeve, relates in particular to a kind of female chalk sleeve, belongs to the chalk technical field.
Background technology
At present, the chalk of known technology can be stained with chalk dust on hand when writing, and before the utility model is not made, do not have female chalk sleeve and use, the patent searching document, it is open not have this technological technical scheme.
Summary of the invention
In order to overcome the deficiency of no female chalk sleeve in the prior art, the purpose of the utility model is for a kind of female chalk sleeve is provided, and this chalk sleeve can make the person of writing keep on hand totally reaching the purpose of sanitation and hygiene.
In order to reach the purpose of the utility model; The technical scheme that its technical problem of the utility model solution is taked is: be made up of internal thread, sleeve pipe; It is characterized in that leaving internal thread on the sleeve pipe, during use the internal thread on the external screw thread precession sleeve pipe on the chalk head is got final product.
The beneficial effect of the utility model is a simplicity of design, and is with low cost, and practicality is bigger.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Fig. 1 is the sketch map of the utility model.
1. internal threads, 2. sleeve pipe among Fig. 1.
The specific embodiment
The utility model is made up of internal thread 1, sleeve pipe 2, it is characterized in that leaving internal thread 1 on the sleeve pipe 2, during use the internal thread 1 on the external screw thread precession sleeve pipe 2 on the chalk head is got final product.

Claims (1)

1. a chalk sleeve is made up of internal thread (1), sleeve pipe (2), it is characterized in that leaving on the sleeve pipe (2) internal thread (1).
CN2012200092048U 2012-01-05 2012-01-05 Chalk sleeve Expired - Fee Related CN202463266U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200092048U CN202463266U (en) 2012-01-05 2012-01-05 Chalk sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200092048U CN202463266U (en) 2012-01-05 2012-01-05 Chalk sleeve

Publications (1)

Publication Number Publication Date
CN202463266U true CN202463266U (en) 2012-10-03

Family

ID=46911454

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200092048U Expired - Fee Related CN202463266U (en) 2012-01-05 2012-01-05 Chalk sleeve

Country Status (1)

Country Link
CN (1) CN202463266U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121003

Termination date: 20130105

CF01 Termination of patent right due to non-payment of annual fee